Justin Bergener remembers how deeply a bully's harassment affected his sister.
When Angela was a sophomore in high school, a classmate tormented her with crude sexual remarks until, after several months, she switched to a private school that offered online classes.
"[The bully said] she was a whore, verbally harassing her," the 28-year-old told ABCNews.com. "It was pretty tough for her and she experienced some depression. Some of her friends were against her."
Now 25 years old, Angela Truman is a happily married mother of two. But Bergener said it was watching her suffer in silence that prompted him to research school bullying as a college student and, eventually, start his own Web service that gives kids and parents a way to report bullies anonymously.
Launched in 2007, schooltipline.com is now in 54 elementary, middle and high schools in Utah, Arizona, Texas, California and Washington. Truman's first high school -- Zillah High School in Washington -- is among them.
The beauty of the site, Bergener said, is that it allows for two-way anonymous conversation. It gives even the shyest kids a way to come forward while giving school authorities a mechanism to probe for additional information, he said.
Ever on the lookout for approaches to stem school violence, many educators and parents welcome a technology that encourages kids to speak up. But other experts in cyberbullying caution that, because Internet-based harassment can differ from face-to-face harassment, the online tool could be an insufficient -- and potentially harmful -- Bandaid.
"Social repercussions for reporting are often worse than the harassment," Bergener said. As the saying goes, he continued, "snitches get stitches."
That fear of escalated harassment, he said, is one of the major reasons kids don't let parents and teachers know about violence they experience or see around school.
Indeed, education experts agree that one of the greatest obstacles educators face in addressing bullying is students' silence.
"The number one thing about bullying is that kids don't report it and it doesn't happen in sight of the teacher," said Jan Harp Domene, the president of the national Parent Teacher Association.
"Any type of communication along these lines is beneficial," she said. "If you give kids technology that allows them to have the opportunity to share their concerns and their fears, and not have to be the one to blow the whistle, then far more students will participate."
Although Bergener's service is still in the pilot stage, he said students are showing their willingness to participate.
On average, he said, a school of about 1,000 students will see about 2 to 3 reports come in each week. Thirty percent of those provide their names, while the remainder choose to remain anonymous, he said.
A few of the reports schools receive are false reports, he admitted. But checks and balances in the system -- like blocking IP and e-mail addresses -- can prevent kids from crying wolf. Most schools, he continued, would rather see 10 good reports and one false one than none at all.